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Drivers: hv: utils: Invoke the poll function after handshake 

When the handshake with daemon is complete, we should poll the channel since
during the handshake, we will not be processing any messages. This is a
potential bug if the host is waiting for a response from the guest.
I would like to thank Dexuan for pointing this out.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan 2015-12-14 16:01:57 -08:00 committed by Greg Kroah-Hartman
parent b282e4c06f
commit 2d0c3b5ad7
2 changed files with 2 additions and 2 deletions
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2
drivers/hv/hv_kvp.c
View File

@ -154,7 +154,7 @@ static int kvp_handle_handshake(struct hv_kvp_msg *msg)
pr_debug("KVP: userspace daemon ver. %d registered\n",
KVP_OP_REGISTER);
kvp_register(dm_reg_value);
kvp_transaction.state = HVUTIL_READY;
hv_poll_channel(kvp_transaction.recv_channel, kvp_poll_wrapper);
return 0;
}

2
drivers/hv/hv_snapshot.c
View File

@ -113,7 +113,7 @@ static int vss_handle_handshake(struct hv_vss_msg *vss_msg)
default:
return -EINVAL;
}
vss_transaction.state = HVUTIL_READY;
hv_poll_channel(vss_transaction.recv_channel, vss_poll_wrapper);
pr_debug("VSS: userspace daemon ver. %d registered\n", dm_reg_value);
return 0;
}